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SashaRJones
Participant
June 24, 2017
Answered

Zooming at anything besides 100% not anti-aliasing properly?

  • June 24, 2017
  • 2 replies
  • 3407 views

Photoshop wizards, I need your help! I'm trying to transition from Photoshop CS6 to CC2017 and encountering a make-or-break issue. I fought with this for a few hours yesterday and I'm stumped as to what to try next.

When I zoom to anything besides an 'even' percentage like 50% or 100%, Photoshop does an awful job at anti-aliasing the image working space preview and spits out some jaggedy-edged hot garbage. I've tried configuring the Performance settings every which way to no avail, and have updated every driver I thought could be relevant (Cintiq, Nvidia, Windows, Photoshop). I called Adobe yesterday and the technical help person downloaded a RAW photo to test out, which didn't exhibit this issue. I tried doing 'select all / copy all' to a new file and that seemed to resolve the issue for the particular painting I was working on. I saved it as a fresh new psd file and figured that would resolve it. But I opened the fresh psd this morning and it's exhibiting the same problems.

I decided to check with another PSD file of a finished commission, and it's exhibiting the same damn thing.

Here's a PNG where I've screencapped all the zoom stages. You'll have to view the file at 100% zoom to see the issue, because even web preview or windows image viewer does a better job of smoothing the zoom levels than Photoshop is right now. I've circled areas where the difference is especially clear in red but if you look you can see it all over the place. This link will cause it to direct download: https://www.dropbox.com/s/mjs67qr2dfqpakr/PS%20CC%202017%20Zoom%20Anti-aliasing.png?dl=1

If anyone has any suggestions for how to resolve this I would love to hear them! I'm kind of at wits end with how much time I've wasted between yesterday and today on this.
This topic has been closed for replies.
Correct answer highfivejohn

Checking the box labeled 'Use Graphic Processor' under Preferences -> Performance made this issue much better for me.

2 replies

H
highfivejohnCorrect answer
Participant
August 15, 2018

Checking the box labeled 'Use Graphic Processor' under Preferences -> Performance made this issue much better for me.

davescm
Community Expert
davescmCommunity Expert
Community Expert
June 24, 2017

There is only one zoom level in Photoshop that will accurately render your image. That is 100%. At that level the image renders 1 image pixel per screen pixel.

At 66.7% then the pixels have to be merged as 9 image pixels are squeezed into 4 screen pixels.

At 50% or less it gets worse as from that point down a cached 8 bit preview is used to speed up rendering. For most normal use this makes little difference but for detailed checking it does.

Always check blending/sharpening/detail etc at 100% zoom

Dave

S
SashaRJonesAuthor
Participant
June 24, 2017

I understand that, but how CC 2017 is displaying these zoom levels is drastically poor compared to when I open the copy of CS6 I've been using up until now on the same PC, with the same files. A newer version of a program should not be doing a worse job at a basic function than it's predecessor.

davescm
Community Expert
davescmCommunity Expert
Community Expert
June 24, 2017

Hi

That is strange - I've not seen any difference in zooming between the versions.  I have both CC2017 and CS6 here - are you able to put a link to an image (or just crop and save part of an image with the issue) and I will try it here. That way we will know is it a general issue , an issue with your file - or something on your system only

Dave

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